Despite his lack of experience, a teen tries to run his late grandfather's bathhouse with the help of an unlikely soul mate, a princess from the planet Valhalla who's been transformed into a mischievous 8-year-old.

Valkyrie crashes on Kazuto, and gives him half of her soul. Hydra comes to Earth from Valhalla to bring Valkyrie back and Valkyrie and Kazuto hide, but Hydra finds them. Valkyrie transforms and fights him off until Akina is able to seal Hydra.

Premise: Despite his lack of experience, a teen tries to run his late grandfather's bathhouse with the help of an unlikely soul mate, a princess from the planet Valhalla who's been transformed into a mischievous 8-year-old.
(more)